| Matthew Malcomson | a478505 | 2020-11-25 16:31:49 +0000 | [diff] [blame] | 1 | /* { dg-do run } */ |
| 2 | /* { dg-require-effective-target hwaddress_exec } */ |
| 3 | /* { dg-additional-options "--param hwasan-instrument-allocas=0 -save-temps" } */ |
| 4 | /* Only test there's no tagging done when not at -O0. Without optimisation |
| 5 | the compiler creates a bunch of other variables on the stack other than the |
| 6 | vararray/alloca object. |
| 7 | We also avoid checking when using -flto, since with LTO the compiler can |
| 8 | recognise the vararray is only used with one size and that size is known at |
| 9 | compile time -- when the compiler recognises that it instead creates a |
| 10 | static array, which gets tagged as is expected but not as the test expects. |
| 11 | */ |
| 12 | /* { dg-skip-if "" { *-*-* } { "-O0" "-flto" } { "" } } */ |
| 13 | |
| 14 | #include "unprotected-allocas-0.c" |
| 15 | |
| 16 | /* { dg-final { scan-assembler-not "__hwasan_tag_memory" } } */ |
